On Wed, Mar 20, 2019 at 10:30 PM legrand legrand
<legrand_legrand@hotmail.com> wrote:
>
> maybe this patch (with a GUC)
> https://www.postgresql.org/message-id/55E51C48.1060102@uptime.jp
> would be enough for thoses actually using a text normalization function.
The rest of thread raise quite a lot of concerns about the semantics,
the cost and the correctness of this patch. After 5 minutes checking,
it wouldn't suits your need if you use custom functions, custom types,
custom operators (say using intarray extension) or if your tables
don't have columns in the same order in every environment. And there
are probably other caveats that I didn't see;
